Title of Invention

AMINO ACID PHENYL ESTER DERIVATIVES

Abstract The present invention relates to a-amino acid phenyl ester derivatives having the general formula I wherein R<SUB>1</SUB> is (C<SUB>l-3</SUB> )alkyloxy; R<SUB>2</SUB> is (C<SUB>l-3</SUB> )alkyl, (C<SUB>l-3</SUB> )alkyloxy or (C<SUB>2-3</SUB> )alkenyl; R<SUB>4</SUB> is hydrogen, (C<SUB>l-3</SUB> )alkyl, (C<SUB>l-3</SUB> )alkyloxy or (C<SUB>2-3</SUB> )alkenyl; ~ is (C<SUB>l-6</SUB> )alkyl; R<SUB>5</SUB> and R<SUB>6</SUB> are independently (C<SUB>l-6</SUB> )alkyl, (C<SUB>2-6</SUB> )alkenyl, (C<SUB>2-6</SUB> )alkynyl or aralkyl, each of which may be optionally substituted with (C<SUB>l-3</SUB> )alkyloxy or (C<SUB>l-3</SUB> ) alkyloxycarbonyl; or a pharmaceutically acceptable salt thereof. The invention also relates to pharmaceutical compositions comprising said derivatives, and to the use of these a-amino acid phenyl ester derivatives as hypnotics for the induction and maintenance of general anaesthesia.
Full Text The present invention relates to a-amino acid phenyl ester derivatives having the general formula I


wherein R1 is (Cl-3 )alkyloxy; R2 is (Cl-3 )alkyl, (Cl-3 )alkyloxy or (C2-3 )alkenyl; R4 is hydrogen, (Cl-3 )alkyl, (Cl-3 )alkyloxy or (C2-3 )alkenyl; ~ is (Cl-6 )alkyl; R5 and R6 are independently (Cl-6 )alkyl, (C2-6 )alkenyl, (C2-6 )alkynyl or aralkyl, each of which may be optionally substituted with (Cl-3 )alkyloxy or (Cl-3 ) alkyloxycarbonyl; or a pharmaceutically acceptable salt thereof. The invention also relates to pharmaceutical compositions comprising said derivatives, and to the use of these a-amino acid phenyl ester derivatives as hypnotics for the induction and maintenance of general anaesthesia.

Documents:

abstractin-pct-2001-77-che.jpg

in-pct-2001-0077-che complete specification as granted.pdf

in-pct-2001-77-che abstract.pdf

in-pct-2001-77-che assignment.pdf

in-pct-2001-77-che claims granted.pdf

in-pct-2001-77-che correspondence others.pdf

in-pct-2001-77-che correspondence po.pdf

in-pct-2001-77-che description (complete) granted.pdf

in-pct-2001-77-che form-1.pdf

in-pct-2001-77-che form-19.pdf

in-pct-2001-77-che form-3.pdf

in-pct-2001-77-che form-5.pdf

in-pct-2001-77-che form-6.pdf

in-pct-2001-77-che pct.pdf

in-pct-2001-77-che petition.pdf

in-pct-2001-77-che power of attorney.pdf


Patent Number 230492
Indian Patent Application Number IN/PCT/2001/77/CHE
PG Journal Number 13/2009
Publication Date 27-Mar-2009
Grant Date 27-Feb-2009
Date of Filing 16-Jan-2001
Name of Patentee N.V. ORGANON
Applicant Address KLOOSTERSTRAAT 6, NL-5349 AB OSS,
Inventors:
# Inventor's Name Inventor's Address
1 HAMILTON, NIALL, MORTON 3 CHEVIOT GARDENS, BEARSDEN, GLASGOW G61 4GS,
PCT International Classification Number C07C 229/38
PCT International Application Number PCT/EP99/05051
PCT International Filing date 1999-07-16
PCT Conventions:
# PCT Application Number Date of Convention Priority Country
1 EP 98305837.1 1998-07-22 U.K.